<template>
  <HomePanel title="人气推荐" sub-title="人气爆款 不容错过" ref="target">
    <div style="height: 300px; background-color: pink"></div>
    <ul class="goods-list" v-if="list.length > 0">
      <li v-for="item in list" :key="item.id">
        <RouterLink to="/">
          <img v-imgLazy="item.picture" alt="" />
          <p class="name">{{ item.title }}</p>
          <p class="desc">{{ item.alt }}</p>
        </RouterLink>
      </li>
    </ul>
    <ul class="goods-list" v-else>
      <li v-for="item in 4" :key="item">
        <XtxSkeleton
          :width="306"
          :height="406"
          bg="rgba(0,0,0,0.6)"
        ></XtxSkeleton>
      </li>
    </ul>
  </HomePanel>
</template>

<script>
import { reqFindHot } from '@/api/home'
import HomePanel from './home-panel.vue'
import { ref } from 'vue-demi'
import { useObserver } from '@/compositions'

export default {
  name: 'HomeHot',
  components: {
    HomePanel
  },
  setup() {
    const list = ref([])
    const getList = async () => {
      const res = await reqFindHot()
      list.value = res.result
    }
    // 进入可视区，调用 getList
    const { target } = useObserver(getList)
    return { list, target }
  }
}
</script>
<style scoped lang="less">
.goods-list {
  display: flex;
  justify-content: space-between;
  height: 426px;
  li {
    width: 306px;
    height: 406px;
    img {
      width: 306px;
      height: 306px;
    }
    p {
      font-size: 22px;
      padding-top: 12px;
      text-align: center;
    }
    .desc {
      color: #999;
      font-size: 18px;
    }
  }
}
</style>
